Here is the full list of all 64 Saints Row achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Customize a vehicle.
Kill an enemy with a towed object.
Buy 1 item from every store.
Obtain 5 items in the Collectibles app.
Place a criminal venture.
Complete all Side Hustles.
Name your criminal empire.
Fully upgrade a vehicle.
Open the Style app for the first time.
Complete First F#@!ing Day.
Acquire every perk.
Complete all wingsuit challenges.
Complete all loyalty missions.
Pulled out of a car by a pedestrian.
Obtain 85 items in the Collectibles app.
Sing karaoke with the Saints.
Complete all jobs on the Wanted app.
Complete 25 challenges.
Complete Showdown.
Complete a Side Hustle.
Complete a job on the Wanted app.
Customize a weapon.
Customize a weapon, a vehicle, clothing item, and your skin with a Cutting Edge material.
Defeat all members of the Idols Collective.
Destroy a car with Pugnus Sanctus Dei.
Complete 10 Crimes of Opportunity.
Perform a barrel roll.
Unlock Criminal Empire Tier 2.
Unlock Criminal Empire Tier 3.
Unlock Criminal Empire Tier 4.
Unlock Criminal Empire Tier 5.
Complete a criminal venture.
Fully upgrade a weapon.
Betrayed by a friend.
Get fired.
Reach the maximum level.
Refill the boost bar 3 times in a row with Infinite Boost.
Defeat a miniboss from each faction.
Kill a tank driver with the Quantum Aperture.
Complete 5 districts in Santo Ileso.
Own 100 different pieces of clothing.
Prank a co-op partner.
Buy 2 Emotes.
Perform a quadruple backflip with Super Air Control.
Complete the photo scavenger hunt.
Stagger an enemy with a vending machine.
Complete 10 districts in Santo Ileso.
Unlock all vehicle special upgrades.
Hit a launched piñata with the Piñata Stick.
Complete all 15 districts in Santo Ileso.
Complete the Wanted job in Sunshine Springs.
Complete preparations for the Sunshine Springs heist.
Complete the Sunshine Springs heist.
Complete a Murder Circus Finale with Consuela.
Attain Level 5 with all Murder Circus contestants.
Complete a Murder Circus Finale with Artemis.
Dispatch the professor with a shot to the groin.
Complete a Murder Circus Finale with Daniel Li.
Complete a Murder Circus Finale with Chief Justice.
Complete The Blue Wedding.
Complete DustFaire Games.
Complete The BowelRun.
Complete Return of the Dust King.
Complete The Battle of Ice and Dust.